concrete delamination Topic The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete
Thermal Detection of Delamination in Bridge Decks Using Unmanned Ariel . . . The findings reveal the capability of the technology to provide measurements comparable to those derived from traditional hands-on inspection methods Thus, it can be an excellent aid in efficient bridge maintenance and repair decision-making Keywords: bridge deck, condition assessment, delamination, infrared, thermal image, unmanned aerial
PowerPoint Presentation The attenuated signals in the deteriorated regions, resulting from dissipated electromagnetic energy, signify the presence of chlorides, racking, and delamination in the deck concrete
Presentation - American Concrete Institute Delamination Detection with IE Depends on the variation in the stress wave (P-wave) propagation in solid medium for Delaminated regions reflect the mechanical stress wave differently than sound regions Using only this feature may result in inconsistent classification of signals Unsupervised learning
Field Guide to Concrete Repair Application Procedures This document is intended as a voluntary field guide for the Owner, design professional, and concrete repair contractor It is not intended to relieve the user of this guide of responsibility for a proper condition assessment and structural evaluation of existing conditions, and for the specifi-cation of concrete repair methods, materials, or practices by an experienced engineer designer
Concrete Q A: A Hard Look at “Hard Troweling” of Air-Entrained Concrete Title: Concrete Q A: A Hard Look at “Hard Troweling” of Air-Entrained Concrete Author (s): Publication: Concrete International Volume: 45 Issue: 7 Appears on pages (s): 71-72 Keywords: finish, trowel, delamination, blister DOI: 10 14359 51738881 Date: 7 1 2023 Abstract: This month’s Q A focuses on the issue of delaminations caused by troweling of concrete It discusses a “hard troweled
Spall Repair of Horizontal Concrete Surfaces Horizontal surface repair is common on slabs either elevated or on grade Deterioration may be caused by corro-sion of embedded reinforcement resulting in delamination and spalling Other common causes include freezing-and-thawing deterioration and chemical attack After an evaluation of the deterioration by an engineer, a plan should be developed including objectives and specifications for
ACI Foundation Funds 11 New Research Projects The ACI Foundation’s Concrete Research Council (CRC) selected 11 research projects to receive grants this year The CRC seeks concrete research projects
Concrete Q A In my experience, 2 9% was the lowest total air content attributed to delamination And the risk jumps with each percent increase, such that at 6% air content is very risky, and at air contents above 8%, it’s nearly impossible to avoid creating blisters and or delaminations